地表水

GC法测定地表水饮用水中的甲基汞

Detection of methylmercury in surface water and drinking water by GC method

地表水BOD5的快速预测预报

Rapid calculate forecast for BOD 5 of surface water

实质上，所有地表水和接近地表的水是作为一个单一的大水文体系的一部分而存在和运动的。

Virtually all surface and near-surface terrestrial water occurs and moves as part of a single vast hydrologic system .

盐生荒漠地表水、热与CO2输送的实验研究

Water , Heat and CO_2 Transfer over a Salinized Desert in the Arid Area

铬法与锰法测定地表水COD值的研究

A study of Cr method and Mn method for monitoring the COD in Earth 's surface water

其中，氮、磷、化学需氧量、生化需氧量等已超出地表水V类标准，水质恶化为劣V类的风险加剧。

Among them , nitrogen , phosphorus , chemical oxygen demand , biochemical oxygen demand has exceeded the V-type water quality standard .

应用于直接测定地表水、泉水中的痕量Pb和Cd。

This method can be used to detecting trace element of Pb and Cd in the water of face ground or spring .

地表水较之大气降水pH值有所升高，然而阳离子含量高，大量的营养离子流往林外。

Compared with the atmospheric rainfall , the runoff had higher pH value , but it had a lot of exchangeable ions leaching out of forests .

此外，朔州市中心区地表水水环境质量一般，中心区水质监测断面有部分水质仅达到V类甚至劣V类。

Moreover , the quality of water environment was bad . Part of central area monitoring section just attained the fifth level or worse .

其余水体水中汞的含量都在地表水环境质量III级标准值以内。

The mercury concentration of water in the remaining waters are within the class III of the surface water environmental quality standard . 3 .

采用模拟试验研究了运河（杭州段）沉积物中Cu和Zn的释放规律，以及投加石灰、曝气等地表水治理手段对其释放规律的影响。

Releasing mechanism of Cu and Zn from sediment of the Hangzhou section of the Grand Canal and the effect of surface water pollution control method on release were studied by modelling experiments .

其最大值均远远超过《地表水环境质量标准》（GB3838-2002）V类水质标准。

The maximum values of them are far more than that of Class V of the National Surface Water Quality Standards .

当系统达到稳定状态时，COD去除率可达599%～693%，各项指标均可达到地表水三类水质标准。

When stable situation was acquired , the removal ratio of COD was 59.9 % ~ 69.3 % , and each index could attain the third level surface water quality standards .

受人类活动和流域生态水文过程（Eco-hydrologicalprocesses）的影响，东辽河流域地表水污染严重，水质具有明显的地域分异特征。

With influence of human activity and eco-hydrological processes , the surface water pollution in the East Liaohe Basin is serious and has the characteristic of spatial diversity .

结合硫和氢氧同位素测定结果，成矿流体是燕山运动阶段的地表水沿断裂深循环，特别是在富K、富Au的凝灰岩中往复循环作用形成的。

Linking with determined results on sulfur and oxyhydrogen , the mineralization fluid formed from the deep circulation of the surface water along the fracture , especially from circulation repeating in the potassium-and gold-rich tuff .

针对不同地区的地表水、生活污水和工业废水的TOC和COD进行了测试，对测定值进行线性回归分析。

The value of TOC and COD in surface water , municipal sewage and industrial sewage in different regions is measured , and the results is analyzed by linear regression statistics .

并利用假设检验方法对测量数据进行分析，A支的COD水平均高于B支，各点的COD均超过地表水三级标准，两支的SS波动不大。

The analysis of monitor data using hypothesis testing method indicates that COD of the A branch is higher than the B branch , they exceeds the third standard of surface water , SS of both branch waves less .

研究了壳聚糖衍生物的投加量、不同pH值、以及电解质强度对NCTS絮凝沉降模拟地表水絮凝性能的影响。

The modified chitosan was used to flocculate the waste water and the effects of modified chitosan dosage pH and electrolyte on the flocculation performance were studied .

采用扣损法和改进的WAM模型分别分析计算了汉江流域地表水资源可利用量。

The available quantity of surface water resources in the Hanjiang River Basin is computed respectively by deduction method and improved WAM .

本文以Matlab神经网络工具箱GUI为依托，用地表水资源时间序列的年径流量资料作为训练样本的基础，生成训练样本输入数据和期望输出数据，建立时间序列神经网络预测模型。

This paper created train sample input and expectation output data relying on Neural Networks tool boxes GUI based on Matlab with surface water resource quantity time series data as train sample basic , then make forecasts based a model of temporal serial Neural Network .

用固定化Oil-56黄杆菌修复地表水菌体形态变化

Morphological changes of immobilized Flavobacterium sp . Oil-56 during surface water remediation

采用220B型BOD快速测定仪，对标准样品、地表水、生活污水、工业废水中的BOD进行测定，与五日生化培养法[1]进行了比对分析。

Adopting model 220B BOD quick analyzer the writers carry out determination of BOD in standard sample , surface water , domestic sewage and industrial waste water and go on contrasting analyzing with five-days biochemistry culture method .

文章介绍了BD-5水质稳定剂对低硬低碱度地表水的阻垢性能研究情况。

The research status of scale-resistant property of water quality stabilizer BD-5 for low hardness and low alkalinity surface water is presented in this paper .

通过近1a的运行实践表明高效垂直流人工湿地系统作为一种生态水处理技术，对微污染地表水净化具有良好的实用价值和应用前景。

Some practical operation of one year indicated that high efficient vertical flow constructed wetland could purify the surface water which is little polluted as a kind of ecological water treatment technology , which will show better practical value and promising future in these fields .

因此本文以地表水-湿地-地下水为主线，通过Okavango三角洲往年气候变化数据分析了多年来的气候变化特点，并综合利用遥感解译方法，揭示了气候变化对三角洲湿地和地下水的影响。

Therefore , this paper takes " surface water-wetland-groundwater " as the main line and analyzes the characteristics of climate change over many years with climate change data from previous years in Okavango delta .

结果：天津市共有221个垃圾堆放点，其中600m2以上有196个，对垃圾点周围进行水质监测，其项目COD、全氮、全磷均超过地表水Ⅴ类标准。

Result : there are altogether 221 solid waste heaps including 196 ones which covers more than 600 ? m 2 . The water body test indicates that the content of COD , total , phosphorus and total nitrogen have exceeded standard V for surface water .

以地表水为水源的水厂及相对应的给水管网为对象，研究可生物降解溶解性有机碳（BDOC）的变化及主要影响因素。

For the water treatment plant with raw water coming from surface water and the corresponding distribution networks , this study investigates the variation of biodegradable dissolved organic carbon ( BDOC ) and factors affecting its variation .

主要研究成果如下：1、农田排水水质未达到《地表水环境质量标准》（GB3838-2002）的Ⅴ类水体标准，属严重污染。

The main studying results are as follows : 1 . The water quality of agricultural drainage does not rich the " Surface Water Environmental Quality Standard " ( GB3838-2002 ) category of the water body standards ⅴ, it pollutes seriously .

根据调查和计算，干旱地区现净用的水量仅160×108m3，只占水资源总量的18%，还处在地表水资源开发利用不充分阶段；

The net utilized water in the arid region is only 160 × 108m3 at present according to investigation . It accounts for only 18 % of the total water resource , which shows the exploitation and utilization of water resource is in an insufficient stage .

用天然水溶液中234U与238U之间的放射性不平衡研究的方法，对鲁南两城地区30组水样地表水和地下水铀同位素组分进行了实测。

Determination of uranium isotope contents has been made by the method of radioactive disequilibrium between 234U and 238U for the surface and underground water from Liangcheng region of southern Shandong Province , and the results of 30 water samples analyses are presented .